器件名称: LM302-1L
功能描述: TELECOM TRANSFORMER
文件大小: 117.52KB 共1页
简 介:June 15, 2005
TELECOM TRANSFORMER LM302-1L
FEATURES Subminature, Low Profile 10.7mm seated Height Vacuum encapsulated Tested at 6500 VDC Meets or exceeds requirements of most international safety standards Operating Temperature -20C to +85C, Storage Temperature -40C to +85 C APPLICATIONS
V.32, V.32 bis and V.34 MODEMS INSTRUMENTATION
TELECOMMUNICATIONS ELECTRICAL SPECIFICATIONS AT 25°C
IMPEDANCE TURNS RATIO INSERTION LOSS @2KHz (MAX) FREQUENCY RESPONSE @200-3500Hz (MAX) WIDE BAND RESPONSE @200-10 000Hz (MAX) RETURN LOSS @200-4000Hz (MIN) LONGITUDINAL BALANCE (MIN) DISTORTION @ 1kHz 0 dBM PRIMARY SECONDARY 600 600 1:1 1.5 dB -0.3 dB -2.5 dB 21 dB 80 dB ≤0.1% INSULATION RESISTANCE @500VDC (MIN) DIELECTRIC STRENGTH 100 M 6500 VDC SHUNT INDUCTANCE (MIN) SHUNT LOSS (TYP) LEAKAGE INDUCTANCE (TYP) @1KHz DC RESISTANCE** (± 10%) PRIMARY SECONDARY 2.8 H 9000 14 mH 66 66
Note : * For use with recommended circuit (BS6305 impedance Class A non-speech or Class B speech) ** LM302-1L Is symmetrical meaning there is no real primary or secondary winding.
OUTLINE DIMENSIONS:
1
4
2.5 TYP
DATATRONIC LM 302-1L DATE
17.9 MAX
12.7 +/- 0.15
8 17.9 MAX
5 Dia 0.6 typ (4X) 2.5 TYP
10.7 MAX
4.0 MIN 3.0 TYP 5.08 TYP 7.62 3.0 TYP 5.08 TYP
RECOMMENDED CIRCUITS 600 Ohm Matching (speech)
600 6 .8 F ± 5 % 33 nF ± 5%
BS6305 Class (A) Matching (non-speech)
370 310nF 3 .3 F 68 nF ± 5% 47 nF ± 5%
L IN E
27 nF ± 5%
560 ± 2%
620 680 ± 5% 820 ± 2%
1 : 1 ID E A L
1 : 1 ID E A……
